Glutathione Gel Face Wash Skin Recipe Glycine has many cardioprotective effects: increased antioxidant defense through glutathione reduction in inflammation and oxidative stress lowering of blood pressure lowering of blood sugar lowering of homocysteine Homocysteine (Hcy) amino acid, molecular model. Elevated blood homocysteine levels are associated with cardiovascular disease. Atoms are represented a Stock Photo Alamy Frontiers Endothelial Dysfunction and Hyperhomocysteinemia Linked Cerebral Small Vessel Disease: Underlying Mechanisms and Treatment Timing